- Agoraphobic
- Avoirdupois
- Amaranthus
- Antiquary
- Auctor
- A disciple who lodges with his preceptor
- A divine ministrel
- A dogs life
- A dry
- A false alarm
- A fiche
- A fish
- A floating voter
- A form of verse in which each line contains eight letters
- A golden parachute
- A good innings
- A good thing
- A grain of paddy
- A hollow laugh
- A host in himself
- A jam session
- A kings ransom
- A lack all
- A laughing stock
- A lazy susan
- A little water
- A plant with sweet-scented roots
- A plum job
- A pretty kettle of fish
- A pretty penny
- A quixotic project
- A variety of sida
- A safe pair of hands
- A sea of
- A shot in the arm
- A shot in the locker
- A signal achievement
- A sorry sight
- Abaddon
- Abandoned
- Abandoned woman
- Abandonment
- Abased
- Abashed
- Abba
- Abbreviation
- Abbreviator
- Aberrant
- Above-mentioned
- Abrakadabra
- Abruptly
- Abscessed
- Abscond from
- Absconder
- Absent-mindedness
- Abstruse
- Absurbed notion
- Absurdist
- Abulia
- Abundance
- Abusing
- Abusive word
- Abusrdity
- Abut
- Abysm
- Academic
- Accede to
- Accomplice
- Accompliser
- Accomplishment
- Accordance
- Accordion
- Accost
- Achaean
- Achieve
- Achieving
- Acicular
- Acid
- Acidic
- Acidulate
- Acquaint
- Acuity
- Acute
- Acute angle
- Acutely
- Ad hominem
- Ad rem
- Ada
- Adage
- Adam
- Adamant
- Adaptable
- Adapted
- Add
- Adequately
- Adhered
- Adherence
- Adhesive tape
- Adjectivally
- Adjudicate